Granted Patent
Utility
US 4,847,681 · App. 07/178,126
Low level television signal transition booster
Inventors:
Yves C. Faroudja, Jack J. Campbell
Patented Case
View Patent ↗
Granted: Jul 11, 1989
Filed: Apr 6, 1988
Inventors
Yves C. Faroudja
Jack J. Campbell
Assignee (at issue)
Yves C. Faroudja
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.